fizzgate/fizz-gateway-node
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add emptyList/emptyMap functions #477

Browse Source
This commit is contained in:
Francis Dong
2023-06-01 15:37:21 +08:00
parent 8824172ca6
commit aa84548441
5 changed files with 117 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
fizz-core/src/main/java/com/fizzgate/fizz/function/CommonFunc.java
View File

@@ -18,7 +18,10 @@
package com.fizzgate.fizz.function;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
@@ -65,6 +68,8 @@ public class CommonFunc implements IFunc {
FuncExecutor.register(NAME_SPACE_PREFIX + "common.and", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "common.or", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "common.not", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "common.emptyMap", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "common.emptyList", this);
}
/**
@@ -174,4 +179,22 @@ public class CommonFunc implements IFunc {
return !(obj == null ? false : obj);
}
/**
* Return an empty map
*
* @return
*/
public Map<String, Object> emptyMap() {
return new HashMap<>();
}
/**
* Return an empty list
*
* @return
*/
public List<Map<String, Object>> emptyList() {
return new ArrayList<>();
}
}

20
fizz-core/src/main/java/com/fizzgate/fizz/function/FuncExecutor.java
View File

@@ -312,6 +312,26 @@ public class FuncExecutor {
argsStrContainer = this.trimArgStr(argsStrContainer, 5, isVarArgs, paramTypes.length, funcExpression);
argsStr = argsStrContainer.getArgsStr();
i = argsStrContainer.getIndex();
} else if (argsStr.matches("^\\[\\]\\s*,.*") || argsStr.matches("^\\[\\]\\s*\\).*")) { // []
if (isVarArgs && i == paramTypes.length - 1) {
varArgs.add(new ArrayList());
args[i] = varArgs.toArray(new ArrayList[varArgs.size()]);
} else {
args[i] = new ArrayList();
}
argsStrContainer = this.trimArgStr(argsStrContainer, 2, isVarArgs, paramTypes.length, funcExpression);
argsStr = argsStrContainer.getArgsStr();
i = argsStrContainer.getIndex();
} else if (argsStr.matches("^\\{\\}\\s*,.*") || argsStr.matches("^\\{\\}\\s*\\).*")) { // {}
if (isVarArgs && i == paramTypes.length - 1) {
varArgs.add(new HashMap());
args[i] = varArgs.toArray(new HashMap[varArgs.size()]);
} else {
args[i] = new HashMap();
}
argsStrContainer = this.trimArgStr(argsStrContainer, 2, isVarArgs, paramTypes.length, funcExpression);
argsStr = argsStrContainer.getArgsStr();
i = argsStrContainer.getIndex();
} else if (argsStr.startsWith("{")) { // reference value
int pos = argsStr.indexOf("}", 1);
if (pos != -1) {

10
fizz-core/src/main/java/com/fizzgate/fizz/function/ListFunc.java
View File

@@ -62,6 +62,7 @@ public class ListFunc implements IFunc {
FuncExecutor.register(NAME_SPACE_PREFIX + "list.join", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "list.rename", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "list.removeFields", this);
FuncExecutor.register(NAME_SPACE_PREFIX + "list.emptyList", this);
}
/**
@@ -228,4 +229,13 @@ public class ListFunc implements IFunc {
return data;
}
/**
* Return an empty list
*
* @return
*/
public List<Map<String, Object>> emptyList() {
return new ArrayList<>();
}
}

41
fizz-core/src/test/java/com/fizzgate/fizz/function/CommonFuncTests.java
View File

@@ -16,6 +16,7 @@
*/
package com.fizzgate.fizz.function;
import static org.junit.Assert.assertNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.ArrayList;
@@ -116,6 +117,46 @@ class CommonFuncTests {
assertEquals(true, result);
}
@Test
void testIif6() {
// test []
String funcExpression = "fn.common.iif(false, \"abc\", [])";
List result = (List)FuncExecutor.getInstance().exec(null, funcExpression);
assertEquals(true, result.size() == 0);
}
@Test
void testIif7() {
// test {}
String funcExpression = "fn.common.iif(false, \"abc\", {})";
Map result = (Map)FuncExecutor.getInstance().exec(null, funcExpression);
assertEquals(true, result.size() == 0);
}
@Test
void testIif8() {
// test []
String funcExpression = "fn.common.iif(false, \"abc\", fn.common.emptyList())";
List result = (List)FuncExecutor.getInstance().exec(null, funcExpression);
assertEquals(true, result.size() == 0);
}
@Test
void testIif9() {
// test {}
String funcExpression = "fn.common.iif(false, \"abc\", fn.common.emptyMap())";
Map result = (Map)FuncExecutor.getInstance().exec(null, funcExpression);
assertEquals(true, result.size() == 0);
}
@Test
void testIif10() {
// test null
String funcExpression = "fn.common.iif(false, \"abc\", null)";
Map result = (Map)FuncExecutor.getInstance().exec(null, funcExpression);
assertNull(result);
}
@Test
void testEquals() {
String funcExpression = "fn.common.equals(\"abc\", true)";

23
fizz-core/src/test/java/com/fizzgate/fizz/function/ListFuncTests.java
View File

@@ -107,6 +107,29 @@ class ListFuncTests {
assertEquals("a4", ((Map<String, Object>) result.get(3)).get("a").toString());
}
@Test
void testMerge2() {
List<Object> subList1 = new ArrayList<>();
subList1.add(createRecord("a", "a1"));
subList1.add(createRecord("a", "a2"));
subList1.add(createRecord("a", "a3"));
List<Object> subList2 = new ArrayList<>();
subList2.add(createRecord("a", "a4"));
subList2.add(createRecord("a", "a5"));
subList2.add(createRecord("a", "a6"));
ONode ctxNode = ONode.load(new HashMap());
PathMapping.setByPath(ctxNode, "test.data1", subList1, true);
PathMapping.setByPath(ctxNode, "test.data2", subList2, true);
String funcExpression = "fn.list.merge({test.data1}, [] , {test.data2})";
List<Object> result = (List<Object>) FuncExecutor.getInstance().exec(ctxNode, funcExpression);
assertEquals(6, result.size());
assertEquals("a2", ((Map<String, Object>) result.get(1)).get("a").toString());
assertEquals("a4", ((Map<String, Object>) result.get(3)).get("a").toString());
}
@Test
void testExtract() {
List<Object> subList1 = new ArrayList<>();